## textus: tree -a -L 2 >> textus.man with notes
### open_extst

- ex1: fs_compare

    fp_f_ --_name_fn nnn2_ --_dir_fns ${PLT_PATH}/actio/dir_fp_f_/fp_f_extst/extst_1/ex1/_deb/res --_grad 3_mall --_tail 1_veri

- ex2: exec_compare diff ex2/pre ex2/res

    nnn2_mdeb 2 

- ex3 : do like fp_f_ diff ex3/_deb/pre ex3/_deb/res

    fp_f_ --_name_fn ex3_ --_dir_fns ${PLT_PATH}/actio/dir_fp_f_/fp_f_extst/extst_1/ex1/_deb/res --_grad 3_mall --_tail 2_prov